Curated Video
Osmosis and Volume
We look at the effects of osmosis on the volume of potato and the appearance of red onion cells. Two cylinders of potato are measured and weighed before one is placed in salt water and the other in fresh water. We can see how osmosis...
Curated Video
Plant vs Animal Cells
We compare plant cells and animal cells under a microscope to see how they differ. Cheek cells are dyed with methylene blue to make the observations possible. Biology - Cells And DNA - Learning Points. Almost all cells are invisible to...
Curated Video
GCSE Biology - What is Microscopy? #5
In this video, we cover: - The different parts of a microscope - What the terms image, object, magnification and resolution mean Exam board specific info: AQA - Suitable for everyone IGCSE Edexcel - Suitable for everyone Edexcel -...